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Finding the Fourth Proportional to 655,440.48, 983,154.24 and 300,353.76

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Solution

The fourth proportional to 655,440.48, 983,154.24 and 300,353.76 is: 450,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,440.48 : 983,154.24 = 300,353.76 : x
  2. Step 2: Convert to fraction form
    655,440.48/983,154.24 = 300,353.76/x
  3. Step 3: Cross multiply
    655,440.48x = 983,154.24 × 300,353.76
  4. Step 4: Simplify right side
    655,440.48x = 295,294,072,643.94
  5. Step 5: Solve for x
    x = 295,294,072,643.94/655,440.48
  6. Step 6: Final answer
    x = 450,527.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.